Dormer approval rate in Derby
Derby approved 82.6% of dormer applications, based on 242 decisions analysed.
Last updated: September 2026
82.6%
dormer approval rate
242
Dormer decisions
200
Approved
42
Refused
92.8%
Derby overall
Dormer applications are refused more often than the Derby average (92.8%), suggesting the council scrutinises these projects more closely.
How dormer compares in Derby
Dormer
82.6%
Derby all applications
92.8%
Planning a dormer in Derby?
82.6% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.
✓ Your ward's dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Derby →
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Derby and any other published UK council — see the data services →
Other project types in Derby
95.9%
94.4%
93.6%
91.9%
94.2%
89.3%
86.9%
90.9%
86.2%
89.3%
73.5%
70.0%
94.4%
88.2%